blob: be7022ca0eaf4fcb9315a68ce7c26c0a3ae47b57 [file] [log] [blame]
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "device/u2f/u2f_parsing_utils.h"
#include "base/logging.h"
namespace device {
namespace u2f_parsing_utils {
const uint32_t kU2fResponseKeyHandleLengthPos = 66u;
const uint32_t kU2fResponseKeyHandleStartPos = 67u;
const char kEs256[] = "ES256";
void Append(std::vector<uint8_t>* target, base::span<const uint8_t> in_values) {
target->insert(target->end(), in_values.begin(), in_values.end());
}
std::vector<uint8_t> Extract(base::span<const uint8_t> source,
size_t pos,
size_t length) {
if (!(pos <= source.size() && length <= source.size() - pos)) {
return std::vector<uint8_t>();
}
return std::vector<uint8_t>(source.begin() + pos,
source.begin() + pos + length);
}
} // namespace u2f_parsing_utils
} // namespace device